Sleep improvement base station



FIG. 1 is a front perspective view of a sleep improvement base station, according to an illustrative embodiment of the invention.

FIG. 2 is a top view of a sleep improvement base station, according to an illustrative embodiment of the invention.

FIG. 3 is a side view of a sleep improvement base station, according to an illustrative embodiment of the invention.

FIG. 4 is a side view of a sleep improvement base station, according to an illustrative embodiment of the invention; and,

FIG. 5 is a back view of a sleep improvement base station, according to an illustrative embodiment of the invention. 

An ornamental design for a sleep improvement base station, as shown and described. 